sql中table用法

  for c in (select column_value from table(f_split(V_FileID, ','))) loop
       --若没有填写资格开始结束时间，则填入
       select count(*)
         into numDataCount
         from ly_zg_jzfbt z
        where file_id = c.column_value
          and z.pt_valid_stime is null;
       if numDataCount > 0 then
         update ly_zg_jzfbt z
            set z.pt_valid_stime     = trunc(sysdate),
                z.pt_valid_etime     = add_months(trunc(sysdate), 12) - 1,
                z.fanaly_valid_etime = add_months(trunc(sysdate), 12) - 1
          where z.file_id = c.column_value;
         commit;
       end if;

       select l.CONTROL_ID
         into numControl
         from ly_zg_jzfbt l
        where file_id = c.column_value;
       varERRMSG := PK_JJZLFBTINFO.F_CheckStandard(c.column_value,
                                                   to_char(numControl));
       if varERRMSG is not null then
         raise_application_error('-20001', varERRMSG);
       end if;
       PK_FAMILYHOUSE.P_GetFamilyHouseInfoData(
                                               numControl,
                                               c.column_value,
                                               p_temp);
       if varERRMSG is not null then
         raise_application_error('-20001', varERRMSG);
       end if;
       PK_FAMILYINFO.P_GetFamilyInfo(
                                     c.column_value,
                                     p_temp);
       if varERRMSG is not null then
         raise_application_error('-20001', varERRMSG);
       end if;

       select l.is_over_certificate
         into doCeritify
         from ly_zg_jzfbt l
        where file_id = c.column_value;

       if doCeritify is null or doCeritify = 1 then
         update ly_zg_jzfbt l
            set l.do_certificate_time = sysdate, l.is_over_certificate = 0
          where file_id = c.column_value;
         commit;
       end if;
       --将out出的内容与file_id拼接在一起
       varIncomeAvg_All         := varIncomeAvg_All || c.column_value || ':' ||
                                   numIncomeAvg || ',';
       varIdentifiedArea_All    := varIdentifiedArea_All || c.column_value || ':' ||
                                   numIdentifiedArea || ',';
       varPerIdentifiedArea_All := varPerIdentifiedArea_All ||
                                   c.column_value || ':' ||
                                   numPerIdentifiedArea || ',';
     end loop;